step out

baby step

A small effort made towards the completion of a much larger task.

one small step for man, one giant leap for mankind

(used imitatively) A cliché used to exaggerate an accomplishment or milestone.

one step ahead

maintaining a slight advantage; continuing to lead

one step forward, two steps back

A situation in which progress is more than offset by adverse developments.

pep in one's step

A confident, happy, energetic or enthusiastic mood or manner.

spring in one's step

Enthusiasm, energy or a positive outlook or cheerful attitude.

step back

To stop what one is doing and evaluate the current situation.

step down

To resign or retire from an office or position of authority.